US Bridges

SR 89A Spur over Sinclair Wash

Good

Coconino County, Arizona · 0.4 MI N JCT I-40 · Structure no. 06087

Built
1967
58 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
33,785
2019 count
Owner
State
State Highway Agency

About this bridge

SR 89A Spur over Sinclair Wash is a concrete continuous culvert carrying SR 89A Spur over Sinclair Wash in Coconino County, Arizona. It was built in 1967, so it is 58 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33,785 vehicles a day, roughly 7% of them trucks, projected to reach 33,795 by 2039. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 89A Spur
CrossesSinclair Wash
Location0.4 MI N JCT I-40
RouteState Highway 89
CountyCoconino County
StateArizona
Coordinates35.1781, -111.6614
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,785 (2019)
Projected traffic33,795 by 2039
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 89A Spur over Sinclair Wash built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR 89A Spur over Sinclair Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.

How much traffic does SR 89A Spur over Sinclair Wash carry?

About 33,785 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR 89A Spur over Sinclair Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns SR 89A Spur over Sinclair Wash?

It is owned by the State Highway Agency.